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FamilyTreeDNA is a division of Gene by Gene, a commercial genetic testing company based in Houston, Texas. FamilyTreeDNA offers analysis of autosomal DNA, Y-DNA, and mitochondrial DNA to individuals for genealogical purpose. With a database of more than two million records, it is the most popular company worldwide for Y-DNA and mitochondrial ...
The company was owned by Bennett Greenspan and Max Blankfeld, and was the parent company of Family Tree DNA. In January 2021, Gene by Gene was acquired by US based parent company myDNA Inc. [ 2 ] Gene by Gene and Australia company myDNA Life Private Ltd. are both subsidiaries of parent company, myDNA Inc.
Greenspan founded Family Tree DNA which was the first American company to offer genealogical DNA testing directly to the general public. [10] [11] [12] He is currently the president and chief executive officer (CEO) [13] [14] [15] and also the managing partner of Family Tree DNA's parent company Gene by Gene. [16]
An extended 17-marker haplotype was published in 2007, [61] and the company Family Tree DNA has also published results for other markers in its standard first 12-marker panel. [62] Combining these sources gives the consolidated 21-marker haplotype below. The Jeffersons belong to Haplogroup T (M184) (formerly known as K2).
In 2007, 23andMe was the first company to offer a saliva-based direct-to-consumer genetic testing. [96] It was also the first to implement the use of autosomal DNA for ancestry testing, which other major companies (e.g., Ancestry, Family Tree DNA, and MyHeritage) now use. [97] [98]
The K1a1b1a subclade is under the U'K haplogroup and descends from K1a1b1, which is thought to be an 11,500-year-old European subclade of mostly non Jewish origins. Haplogroup K falls under the old U8 grouping. Some of the Basque people of Spain and France fall under the U8a subclade within U8.
It is one of the major DNA testing services in the world. [ 1 ] [ 2 ] The company conducts three types of DNA analyses: autosomal, Y-chromosome and mitochrondrial. [ 3 ] However, while the DNA test results provide information about the origins of a person, genealogy, i.e. finding relatives in historic time, is not yet part of the company's ...
A Y-DNA test ranges from 10 to 111 markers on the Y chromosome. Most surname projects suggest at least 25 markers. Test results tell how many repeats a given subject has at a particular marker; the variations of repeats are known as alleles.